Finding the Fourth Proportional to 82,537.41, 123,876.81 and 81,916.14

Step by Step Solution

1. Step 1: Write the proportion equation
   82,537.41 : 123,876.81 = 81,916.14 : x
2. Step 2: Convert to fraction form
   82,537.41/123,876.81 = 81,916.14/x
3. Step 3: Cross multiply
   82,537.41x = 123,876.81 × 81,916.14
4. Step 4: Simplify right side
   82,537.41x = 10,147,510,110.71
5. Step 5: Solve for x
   x = 10,147,510,110.71/82,537.41
6. Step 6: Final answer
   x = 122,944.37